.nav_box {
  position: fixed;
  top: 0;
  display: flex;
  width: 100%;
  height: 60px;
  background-color: rgb(10 13 26);
  box-shadow: 0 0 18px #000;
  transition: all 0.3s;
  justify-content: center;
  align-items: center;

  .nav_box_left {
    .nav_box_home {
      display: flex;
      width: 70px;
      height: 44px;
      font-size: 30px;
      color: #fff;
      border-radius: 14px;
      transition: all 0.2s;
      user-select: none;
      justify-content: center;
      align-items: center;
    }
  }

  .nav_box_center {
    display: flex;
    min-width: 30%;
    margin: 0 50px;
    justify-content: space-evenly;
    align-items: center;

    .nav_center_item {
      display: flex;
      width: 70px;
      height: 44px;
      font-size: 20px;
      color: #fff;
      border-radius: 14px;
      transition: all 0.2s;
      user-select: none;
      justify-content: center;
      align-items: center;
    }
  }

  .nav_box_right {
    position: relative;
    width: 70px;
    height: 44px;

    .nav_box_change {
      width: 70px;
      height: 44px;
      overflow: hidden;
      transition: all 0.2s;

      .nav_box_set {
        display: flex;
        width: 70px;
        height: 44px;
        font-size: 30px;
        color: #fff;
        border-radius: 14px;
        user-select: none;
        justify-content: center;
        align-items: center;
      }

      .nav_box_btn {
        display: flex;
        width: 70px;
        height: 44px;
        margin-top: 10px;
        font-size: 16px;
        color: #fff;
        background-color: rgb(10 13 26);
        border: none;
        border-radius: 14px;
        justify-content: center;
        align-items: center;
      }
    }

    .nav_box_change:hover {
      height: 200px;

      .nav_box_set {
        color: rgb(88 88 88) !important;
        background-color: rgb(180 180 0);
      }
    }
  }
}

.hiddenNav {
  top: -60px;
  box-shadow: none;
}

.nav_hover {
  transition: all 0.2s;
}

.nav_hover:hover {
  color: rgb(88 88 88) !important;
  background-color: rgb(180 180 0) !important;
}
